The light-sensitive layer found at the back of a person's eyes contains more than just cells that detect shadows and light — it also contains information about the health of a person's entire body.
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When "Pokémon Go" launched back in July 2016, catching 'em all was harder for people in rural areas, where the augmented-reality game's hotspots were more spread out. So, many players in rural areas got behind the wheel, increasing car crashes.
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Sleep will consume one-third of your life. You can't avoid it, nor should you. Sound slumber is energizing and uplifting. But there's more to it. Sleep is also essential for effective learning.
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